POST UTME CALEB UNIVERSITY 2025 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subjected to a centripetal force of 12 N, what is the magnitude of the acceleration of the particle?
A. 8 m/s^2
B. 12 m/s^2
C. 16 m/s^2
D. 20 m/s^2
Question 2
A gas is contained in a cylinder of volume 0.5 m^3 at a pressure of 2 atm. If the temperature is increased by 10°C, what is the new pressure of the gas?
A. 2.2 atm
B. 2.5 atm
C. 3.0 atm
D. 3.5 atm
Question 3
A particle of mass 2 kg is moving in a circular path with a cons\tant speed of 4 m/s. If the radius of the circular path is 3 m, calculate the magnitude of the centripetal acceleration.
A. 4 m/s^2
B. 5 m/s^2
C. \frac{16}{3} m/s^2
D. 6 m/s^2
Question 4
A 2 μF capacitor is connected in series with a 10 Ω resistor and a 20 V AC source. If the frequency of the source is 50 Hz, calculate the reac\tance of the capacitor.
A. 10 Ω
B. 20 Ω
C. 30 Ω
D. 40 Ω
Question 5
A 5 kg block is moving on a frictionless surface with a velocity of 2 m/s. If a force of 10 N is applied to the block, calculate the acceleration of the block.
A. 1 m/s^2
B. 2 m/s^2
C. 3 m/s^2
D. 4 m/s^2
Question 6
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the particle has a velocity of 4 m/s, what is the magnitude of the force acting on it?
A. 10 N
B. 20 N
C. 30 N
D. 40 N
Question 7
A light ray passes from air into a glass slab of re\fractive index 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 30°
C. 40°
D. 50°
Question 8
A radioactive sample has a half-life of 10 years. If the initial activity is 100 Bq, what is the activity after 20 years?
A. 12.5 Bq
B. 25 Bq
C. 50 Bq
D. 100 Bq
Question 9
A 100 W light bulb is connected to a 220 V power source. What is the current drawn by the light bulb?
A. 0.5 A
B. 1 A
C. 2 A
D. 4 A
Question 10
A projectile is launched at an angle of 30° above the horizontal with an initial velocity of 20 m/s. What is the maximum height reached by the projectile?
A. 5 m
B. 10 m
C. 15 m
D. 20 m
Question 11
A particle of mass 0.5 kg is moving in a circular path of radius 2 m with a cons\tant speed of 4 m/s. If the particle is subjected to a centripetal acceleration of 2 m/s^2, what is the force exerted on the particle?
A. 2 N
B. 4 N
C. 6 N
D. 8 N
Question 12
A radioactive sample has a half-life of 5 years. If the initial activity of the sample is 100 Bq, calculate the activity of the sample after 10 years.
A. 20 Bq
B. 30 Bq
C. 40 Bq
D. 50 Bq
Question 13
A circuit consists of a 10 Ω resistor, a 20 Ω resistor, and a 5 Ω resistor connected in series. If a voltage of 12 V is applied across the circuit, calculate the current flowing through the 20 Ω resistor.
A. 0.34 A
B. 0.35 A
C. 0.36 A
D. 0.37 A
Question 14
A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subject to a centripetal force of 10 N, calculate the time period of the particle.
A. 2 s
B. 3 s
C. 4 s
D. 5 s
Question 15
A simple harmonic motion has a maximum displacement of 2 m and a period of 4 s. What is the angular frequency of the motion?
A. 0.5 rad/s
B. 1.0 rad/s
C. 1.5 rad/s
D. 2.0 rad/s

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: